From 281174f5e010d819a49562b48b2c2067255a41c6 Mon Sep 17 00:00:00 2001
From: Szabolcs David <davidsz@inf.u-szeged.hu>
Date: Fri, 19 May 2023 01:00:41 +0200
Subject: Normalize clipboard permissions

Handle clipboard read and write permissions the same way everywhere.

Fixes: QTBUG-113579
Change-Id: If1f271e8591c54f4ee2f935486502df19d5f6b3e
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
(cherry picked from commit 79e4a37668a9176373e81fe4fc8dfe29f6c8c37b)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/core/permission_manager_qt.cpp | 46 +++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/src/core/permission_manager_qt.cpp b/src/core/permission_manager_qt.cpp
index 9d98c0592..28e1c981d 100644
--- a/src/core/permission_manager_qt.cpp
+++ b/src/core/permission_manager_qt.cpp
@@ -84,6 +84,22 @@ static blink::mojom::PermissionStatus toBlink(ProfileAdapter::PermissionState re
     }
 }
 
+static blink::mojom::PermissionStatus getStatusFromSettings(blink::PermissionType type, WebEngineSettings *settings)
+{
+    switch (type) {
+    case blink::PermissionType::CLIPBOARD_READ_WRITE:
+        if (!settings->testAttribute(QWebEngineSettings::JavascriptCanPaste))
+            return blink::mojom::PermissionStatus::DENIED;
+         Q_FALLTHROUGH();
+    case blink::PermissionType::CLIPBOARD_SANITIZED_WRITE:
+        if (!settings->testAttribute(QWebEngineSettings::JavascriptCanAccessClipboard))
+            return blink::mojom::PermissionStatus::DENIED;
+        return blink::mojom::PermissionStatus::GRANTED;
+    default:
+        return blink::mojom::PermissionStatus::ASK;
+    }
+}
+
 PermissionManagerQt::PermissionManagerQt()
     : m_requestIdCount(0)
 {
@@ -179,13 +195,8 @@ void PermissionManagerQt::RequestPermission(blink::PermissionType permission,
     Q_ASSERT(contentsDelegate);
 
     ProfileAdapter::PermissionType permissionType = toQt(permission);
-    if (permissionType == ProfileAdapter::ClipboardRead) {
-        WebEngineSettings *settings = contentsDelegate->webEngineSettings();
-        if (settings->testAttribute(QWebEngineSettings::JavascriptCanAccessClipboard)
-            && settings->testAttribute(QWebEngineSettings::JavascriptCanPaste))
-            std::move(callback).Run(blink::mojom::PermissionStatus::GRANTED);
-        else
-            std::move(callback).Run(blink::mojom::PermissionStatus::DENIED);
+    if (permissionType == ProfileAdapter::ClipboardRead || permissionType == ProfileAdapter::ClipboardWrite) {
+        std::move(callback).Run(getStatusFromSettings(permission, contentsDelegate->webEngineSettings()));
         return;
     } else if (!canRequestPermissionFor(permissionType)) {
         std::move(callback).Run(blink::mojom::PermissionStatus::DENIED);
@@ -220,14 +231,9 @@ void PermissionManagerQt::RequestPermissions(const std::vector<blink::Permission
         const ProfileAdapter::PermissionType permissionType = toQt(permission);
         if (permissionType == ProfileAdapter::UnsupportedPermission)
             result.push_back(blink::mojom::PermissionStatus::DENIED);
-        else if (permissionType == ProfileAdapter::ClipboardRead) {
-            WebEngineSettings *settings = contentsDelegate->webEngineSettings();
-            if (settings->testAttribute(QWebEngineSettings::JavascriptCanAccessClipboard)
-                && settings->testAttribute(QWebEngineSettings::JavascriptCanPaste))
-                result.push_back(blink::mojom::PermissionStatus::GRANTED);
-            else
-                result.push_back(blink::mojom::PermissionStatus::DENIED);
-        } else {
+        else if (permissionType == ProfileAdapter::ClipboardRead || permissionType == ProfileAdapter::ClipboardWrite)
+            result.push_back(getStatusFromSettings(permission, contentsDelegate->webEngineSettings()));
+        else {
             answerable = false;
             break;
         }
@@ -280,14 +286,8 @@ blink::mojom::PermissionStatus PermissionManagerQt::GetPermissionStatusForCurren
             permission == blink::PermissionType::CLIPBOARD_SANITIZED_WRITE) {
         WebContentsDelegateQt *delegate = static_cast<WebContentsDelegateQt *>(
                 content::WebContents::FromRenderFrameHost(render_frame_host)->GetDelegate());
-        if (!delegate->webEngineSettings()->testAttribute(
-                    QWebEngineSettings::JavascriptCanAccessClipboard))
-            return blink::mojom::PermissionStatus::DENIED;
-        if (permission == blink::PermissionType::CLIPBOARD_READ_WRITE
-            && !delegate->webEngineSettings()->testAttribute(
-                    QWebEngineSettings::JavascriptCanPaste))
-            return blink::mojom::PermissionStatus::DENIED;
-        return blink::mojom::PermissionStatus::GRANTED;
+        Q_ASSERT(delegate);
+        return getStatusFromSettings(permission, delegate->webEngineSettings());
     }
 
     return GetPermissionStatus(
-- 
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